import java.util.Scanner;

public class Work1.2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("请输入千克数: ");
        double kilograms = scanner.nextDouble();
        // 将千克转换为磅
        double pounds = kilograms / 0.4535924;
        // 输出结果
        System.out.printf("%.4f 千克等于 %.4f 磅%n", kilograms, pounds);
        scanner.close();
    }
}
